Lock.



J. G. KINNEY.

LOCK.

APPLIOATION FILED 00T.11, 1911.

Patented June 18, 1912.

J7 Z/Z Inventor Witnesses Attorneys COLUMBIA PLANoaRAFH4:0.,WILSHINDTON. D. c,

J. G. KINNEY.

Loox.

APPLIOATION FILED 00T.11, 1911.

Patented June 18, 1912.

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Inventor rr sra JACOB CHESLEY KINNEY, OF PRARIE GROVE, ARKANSAS.

LOCK.

Losaisa Specification of Letters Patent.

Patented J une 18, 1912.

Application led October 11, 1911. Serial No. 653,993.

To all 'whom t may concern:

Be it known that I, JACOB C. KINNEY, a citizen of the United States,residing at Prairie Grove, in the county of ashington and State ofArkansas, have invented a new and useful Lock, of which the following isa specification.

This invention relates to locks, and has for its primary object toprovide a co-mbined lock and latch.

Another object of the invention is to provide a lock which is devoid ofsprings, and wherein the latch bolt is pressed outwardly by means of aweight mounted on a lever, which lever is in operative connection withthe latch bolt.

A further object of the invention is to provide a .novel key hole guard,and means when the key hole guard is swung in positio-n to cover the keyholes for preventing the latch bolt from being moved inwardly to openthe lock.

Further objects will be evident from the hereinafter description.

This invention resides in the novel construction and arrangement ofparts as hereinafter described and as illustrated in the accompanyingdrawings, wherein similar reference characters indicate similar parts,and wherein z- Figure 1 is a side elevation of the lock showing therelative parts in locked position, the face plate of the lock removed.Fig. 2 is a similar view showing the relative parts in unlockedposition. Fig. 3 is a view similar to Fig. 2 showing the latch boltretracted. Fig. 4 is a section on the line 4 -4 of Fig. 1. Fig. is asection on the line 5-5 of Fig. 1. Fig. 6 is a perspective view of thekey actuated tumbler. Fig. 7 is a perspectiveview of the bell crank orlever for sliding the latch bolt. Fig. 8 is a perspective view of thekey hole guard. Fig. 9 is a perspective view of the mechanism foractuating or swinging the key hole guard, the parts being separated.

Referring specifically to the drawings, the casing of the lock isdesignated at 10 and the latch bolt which is slidable therethrough isdesignated at 11, the said latch bolt sliding between the upper stud 12and the lower studs 13 in t-he casing and through the outer end of thecasing. A bell crank or lever comprising the long arm 18 vand the shortarm 15 is pivoted on the pin 17 within the casing and above the latchbolt. The short arm 15 of the said lever depends into a recess 111extending vertically through the llatch bolt which has the end wallsthereof conveXed. Thus upon the lever being swung the latch bolt is slidin the casing to retract same or cause same to project outwardly fromthe casing. A stepped wheel comprisingthe portion 32 of smaller diameterand i the portion 81 of larger diameter is pivoted to the long arm 18 ofthe levers, the said wheel being mounted on a pintle 33 projecting fromthe said arm. A knob spindle 25 passes through the casing and has abarrel 26 mounted thereon within the casing, which barrel has the wipers27 and 28 engaging the respective portions 32 and 31 of the `wheelpivoted on the arm 18. Thus by rotating the knob spindle in eitherdirection the respective wiper in its engagement with the wheel pivotedto the arm 18 causes the said arm to swing upward and thus retract thelatch bolt. Upon releasing the knob spindle, the wheel serving as aweight causes the arm 18 to swing downwardly thus sliding the latch boltoutwardly.

Ht-hin the upper end of Casing 10 is arranged a tumbler 19, the innerend of which is slidably mounted upon a ledge 30 proj ecting inwardlyfrom the casing. A key hole 4t2 is provided in each side of the casingand above the said key holes the said tumbler is provided with a notch21, with which the key is adapted to engage upon being rotated in theproper direction to shift the tumbler inward or outward. The tumbler 19has se- -cured to the outer end thereof a weight 22 which has a lip 23depending from the lower outer corner thereof. Upon the tumbler 19 beingthrown outward the lip 23 is arranged to engage in a catch 24 at theouter end of the casing to support the outer end of the tumbler andretain the tumbler in position. Upon the tumbler being shifted inwardlythe weight 22 is raised to disengage the lip 23 from the catch 24C andthe tumbler is provided with a depending notched lug 20 which isarranged to seat on a `pin l19 projecting inwardly from the casing, thussupporting the outer end of the tumbler and retaining the tumbler inposition when the same is shifted inwardly. This tumbler 19 is alsoprovided with a depending linger 29 at its inner end, which finger isadapted to slide over the inner end of the arm 18 when the same is innormal position thus locking the said arm against upward movement andpreventing the rotation of the knob spindle to retract the latch bolt.Thus by inserting a suitable key into the casing the tumbler 19 may beslid outwardly to lock the bell crank or lever against movement or thesaid tumbler may be slid inwardly to permit the said bell crank or leverto swing freely thus permitting the latch bolt to be retracted by amovement of the knob spindle.

A key hole guard 3G is pivoted in the casing below the key holes, beingmounted on a pintle 45 projecting inwardly from one side of the casing,and the said guard is provided with the upstanding wings 37 and 38fitting within the respective sides of the casing, which wings arearranged to be swung over the key holes to close same and therebyprevent the insertion of a key or other implement to actuate themechanism within the lock. Each of the wings 37 and 38 is provided witha radial slot 39 and have the inner edges thereof cut away as designatedat 41 to permit the ready insertion of the key when the guard is swungaway from the holes. The wing 37 is provided with a shoulder 40 which isarranged to swing over a lug 34 projecting from the arm 18 of the bellcrank upon the guard being swung over the key holes to prevent the saidarm from being swung upward. In this manner the latch bolt is lockedagainst movement upon the key hole guard being swung over the key holesand upon the guard being swung away from the key hole the latch bolt isfree to be actuated in the ordinary manner. The key hole guard isactuated fromone side of the casing by means of a shaft 43 journaled inthe respective side of the casing which has a disk 44 upon the inner endthereof from which a wrist pin 36 projects into the slot 39 of the'corresponding wing of the guard, which in this case is the wing 37. Onthe outer end of the shaft 43 is secured a knurled thumb piece 47 bymeans of a pin 48 passing through the said thumb piece and the shaft.The disk 44 is preferably Hush with the inner face of the side of thecasing and it is understood that the shaft 43 may be arranged in eitherside of the casing to permit the key hole guard to be actuated fromeither side of the casing as maybe desired or necessary. In turning theshaft 43 to swing the guard over the key holes the wrist pin 46 is swungabove the axis of the said shaft and upon the wings of the key holeguard covering the key holes the said wrist pin is arranged to seat inthe lower end of the corresponding slot 39 within the circumference inwhich the center of the shaft 43 lies, the pintle 45 being taken as acenter. In the manner when the key hole guard is swung over the keyholes the wrist pin 46 is swung past dead center thus locking the keyhole guard against reverse movement whereby it is impossible to swingthe key hole guard away from the key holes unless the shaft 43 isrotated. Inasmuch as the shaft 43 is operable from one side of the lockonly, ordinarily the inner side of the door to which the lock isapplied, it will be impossible to insert a key or other implementthrough the other or outer side of the lock to actuate the tumbler 19 orto otherwise interfere with the mechanism within the casing 10, and atthe same time the bell crank or lever' is locked to prevent the latchbolt from being retracted. It will therefore be seen that the latch boltmay be locked by either the key actuated tumbler 19 or the key holeguard, the former being serviceable when it is desired to lock the latchbolt from either side of the casing and the latter being of especialadvantage to lock the latch bolt from the inner side of the casing andat the same time to close the key holes. Vhen both the tumbler 19 andthe key hole guard are utilized to lock the bell crank or lever inposition to prevent the latch bolt from being retracted, it would benecessary first to swing the key hole guard away from the key hole topermit the insertion of a key or other implement into the casing and itwould then require the insertion of a suitable key or other implement tofree the bell crank or lever and the latch bolt to permit the said latchbolt to be retracted.

The arm 18 of the bell crank or lever passes between the wings 37 and 38of the key hole guard and the free end of the arm 18 is arranged tostrike the ledge 30 to prevent the wheel pivoted thereon frominterfering with the position of the tumbler 19. A stop 16 is alsoprovided against which the inner end of the latch bolt is arranged tostrike upon the same\being moved inwardly, thus limiting its inwardmovement.

The wipers 27 and 28 in engaging the respective portions 32 and 31 ofthe wheel pivoted to the arm 18 permits the said arm to be swungupwardly readily upon the knob spindle being turned, the said wheelturning upon the pintle 33. The wiper 27 in being swung toward the saidwheel swings into an approximate vertical position and upon the knobspindle being released the wheel in its downward movement slides uponthesaid wiper 27.y In this manner the position of the wheel is alteredfrom time to time as the knob spindle is attained in an efficientmanner, and it is also understood that this invention is susceptible ofalterations in its details within the scope of the appended claims, toadapt same for various purposes, such as for mortise or rim locks,without departing from the spirit of the invention.

That is claimed is 1. In a lock, a casing, a bolt mounted therein, alever pivoted in the easing and having one arm in operative engagementwith the bolt, a wheel pivoted on the other arm of the said lever andserving as a weight to swing the said arm downwardly to force the boltoutwardly, a knob spindle passing through the casing, and a barrelthereon having wipers cooperating with the said wheel to raise same uponthe knob spindle being rotated.

2. In a` lock, a casing, a bolt mounted therein, a lever pivoted in thecasing and having one arm in operative engagement with the bolt, astepped wheel pivoted on the other arm of the lever and serving as aweight to swing the said arm downwardly to force the bolt outwardly, aknob spindle passing through the casing, and a barrel thereon havingwipers cooperating with the respective stepped portions of the saidwheel to raise the same upon the knob spindle being rotated. K

3. In a lock, a casing, a bolt mounted therein, a lever pivoted in thecasing and having one arm in operative engagement with the bolt,'a wheelpivoted on the other arm ot' the said lever and serving as a weight toswing the said arm downwardly to force the bolt outwardly, a knobspindle passing through the casing, a barrel thereon having wiperscoperating with the said wheel to raise same upon the knob spindle beingrotated, and al key actuated tumbler within the said casing adapted tolock the said lever against movement.

4. In a lock, a casing having keyholes therein, a bolt mounted in thecasing, a

lever pivoted in the casing and having one arm in operative engagementwith the bolt, a knob spindle passing through the casing and operatablyconnected to the other arm of the said lever, a key actuated tumblerwithin the casing, and a guard pivoted within the casing and operablefrom one side of the casing to swing over the said key holes and havingmeans to lock the said lever against movement.

5. In a lock, a casing having key holes therein, a bolt mounted in thecasing, a. lever pivoted in the casing and having one arm in operativeengagement with the bolt, a knob spindle passing' through the casing andoperatively connected with the other arm of the said lever, a lugprojecting from the latter arm ot the said lever, and a guard pivotedwithin the casing' to swing over the key holes having a shoulder adaptedto engage thesaid lug, the guard being swung over the key holes to lockthe said lever against movement.

G. In a lock, a casing having key holes therein, a key actuated tumblerwithin the casing, a latch bolt mounted in the casing, a lever pivotedin the casing and having one arm in operative engagement with the saidlatch bolt, a knob spindle passing through the casing and operativelyconnected to the other arm of the said lever, a key hole guard pivotedwithin the casing having means to lock the said lever against movementupon the said key hole guard being swung over the key holes, and meansfor swinging the said key hole guard over the key holes and locking samefrom being moved away from the key holes.

In testimony that I claim the foregoing as my own, I have hereto atlixedmy signature in the presence of two witnesses.

JACOB ornaisLnY kiNNnY.

Witnesses:

A. V. IIANNAH, WALLACE HANNAH.

Copies of this patent may be obtained for iive cents each, by addressingthe Commissioner of Patents, Washington, D. C.

